Home / 243,723.30-336,335.85-136,292.10

Finding the Fourth Proportional to 243,723.30, 336,335.85 and 136,292.10

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Solution

The fourth proportional to 243,723.30, 336,335.85 and 136,292.10 is: 188,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,723.30 : 336,335.85 = 136,292.10 : x
  2. Step 2: Convert to fraction form
    243,723.30/336,335.85 = 136,292.10/x
  3. Step 3: Cross multiply
    243,723.30x = 336,335.85 × 136,292.10
  4. Step 4: Simplify right side
    243,723.30x = 45,839,919,301.79
  5. Step 5: Solve for x
    x = 45,839,919,301.79/243,723.30
  6. Step 6: Final answer
    x = 188,081.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.